Class 123/169EB - Replaceable electrode

Subclass of Class 123 - Internal-combustion engines
No. of patents: 4
Last issue date: 03/09/2004

Number	Title	Issue Date
6703770	Spark plug attachment structure and spark plug therefor A spark plug has a central electrode, an insulator surrounding the central electrode and a metallic shell retaining therein the insulator and provided with no thread thereon. The spark plug is clearance fitted in a plug hole of a cylinder head, without be...	03/09/2004
6634331	Piston with integrated spark electrode A piston is disclosed, for use in an internal combustion engine, including an insulating guide formed therein for receiving an electrode. The electrode has a body, and at least one spark lead coupled to the body for inserting into a channel formed in the ...	10/21/2003
5090373	Auxiliary device attachable to a convention spark plug Two fundamental types of auxiliary devices for increasing the fuel efficiency of a conventional spark plug without reforming any part of the spark plug. Each type has a pair of opposing tongues having parallel grooves on their opposing inside faces and fl...	02/25/1992
4717986	Ignitor probe having replaceable tips An ignitor probe (10) for the ignition of burners and the like. The probe includes an elongate shaft (11) having an internal bore (14) passing therethrough and first and second ends (15,25), means for coupling (12) the probe to a power source, and an elec...	01/05/1988

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